mysql 在linux客户端插入数据中文乱码

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1、查看系统客户端，数据库，连接层的编码
 查看方法： http://daizj.iyunv.com/blog/2174993
进入mysql，通过如下命令查看数据库编码方式： 

mysql>  show variables like 'character_set_%'; 
+--------------------------+----------------------------------------+ 
| Variable_name            | Value                                  | 
+--------------------------+----------------------------------------+ 
| character_set_client     | latin1                                 | 
| character_set_connection | latin1                                 | 
| character_set_database   | utf8                                   | 
| character_set_filesystem | binary                                 | 
| character_set_results    | latin1                                 | 
| character_set_server     | latin1                                 | 
| character_set_system     | utf8                                   | 
| character_sets_dir       | /opt/mysql_root/base/share/charsets/ | 
 
从上面可以看出客户端，连接层都为latin1编码，数据库为utf8编码
执行下面命令，将字符编码为utf8
mysql>  SET NAMES 'utf8';
它相当于以下三指令：
SET character_set_client = utf8;
SET character_set_results = utf8;
SET character_set_connection = utf8;
再执行插入语句，结果正常入库